单词

字典词典单词成语造句名言诗词古籍小说

unless

英 [ʌn'les] 美 [ən'lɛs]

conj. 除非，如果不
prep. 除…之外

双语例句

1. The targets would not be achieved unless other departments showed equal commitment.: 除非其他部门同样努力，否则这些目标无法达成。

2. Training is worthless unless there is proof that it works.: 除非能证明训练有效，否则就是白搭。

3. The South African mailboat arrived on Friday mornings unless bad weather intervened.: 除非受恶劣天气干扰，南非邮船一般在星期五上午抵达。

4. All bitches should be spayed unless being used for breeding.: 除非是用作种犬，所有的母犬都应摘除卵巢。

5. I tend to forget things unless I mark them down.: 除非把事情记下来，否则我常常会忘事。